------------[ cut here ]------------ WARNING: CPU: 1 PID: 63 at net/bluetooth/hci_conn.c:568 hci_conn_timeout+0x11a/0x210 net/bluetooth/hci_conn.c:568 Modules linked in: CPU: 1 UID: 0 PID: 63 Comm: kworker/u33:0 Not tainted 6.15.0-syzkaller-01972-g914873bc7df9 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: hci2 hci_conn_timeout RIP: 0010:hci_conn_timeout+0x11a/0x210 net/bluetooth/hci_conn.c:568 Code: 00 e8 fa 81 4d f7 4c 89 f1 4c 89 e2 48 c7 c6 40 3e d9 8c 48 c7 c7 98 e3 81 90 e8 b1 cc 96 fa e9 4d ff ff ff e8 d7 81 4d f7 90 <0f> 0b 90 e8 ce 81 4d f7 48 8d bb f5 f6 ff ff 48 b8 00 00 00 00 00 RSP: 0018:ffffc900007efc38 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804ee8c948 RCX: ffffffff8a6d49ef RDX: ffff888020478000 RSI: ffffffff8a6d4a99 RDI: 0000000000000005 RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000002be0 R12: ffff88804ee8c000 R13: 0000000000000000 R14: ffffffff908685e4 R15: ffffc900007efd18 FS: 0000000000000000(0000) GS:ffff8880978b1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000c3b3d32 CR3: 0000000065e6f000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c5/0x780 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245